203131089 has 48 divisors (see below), whose sum is σ = 342211584. Its totient is φ = 113724000.

The previous prime is 203131087. The next prime is 203131091. The reversal of 203131089 is 980131302.

It is an interprime number because it is at equal distance from previous prime (203131087) and next prime (203131091).

It is not a de Polignac number, because 203131089 - 2¹ = 203131087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203131081) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1246122 + ... + 1246284.

It is an arithmetic number, because the mean of its divisors is an integer number (7129408).

Almost surely, 2^203131089 is an apocalyptic number.

It is an amenable number.

203131089 is a deficient number, since it is larger than the sum of its proper divisors (139080495).

203131089 is a wasteful number, since it uses less digits than its factorization.

203131089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 203131089 is about 14252.4064283896. The cubic root of 203131089 is about 587.8395456261.

The spelling of 203131089 in words is "two hundred three million, one hundred thirty-one thousand, eighty-nine".